About the Number

121287840

121287839 ← → 121287841

2進数表記:111001110101011010010100000

漢数字表記:一億二千百二十八万七千八百四十

素因数分解:

2 5 × 3 1 × 5 1 × 41 1 × 6163 1

素因数の和:6222
約数の個数: 96
約数和(自身を含む): 391438656
約数和(自身を除く): 270150816

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 80, 82, 96, 120, 123, 160, 164, 205, 240, 246, 328, 410, 480, 492, 615, 656, 820, 984, 1230, 1312, 1640, 1968, 2460, 3280, 3936, 4920, 6163, 6560, 9840, 12326, 18489, 19680, 24652, 30815, 36978, 49304, 61630, 73956, 92445, 98608, 123260, 147912, 184890, 197216, 246520, 252683, 295824, 369780, 493040, 505366, 591648, 739560, 758049, 986080, 1010732, 1263415, 1479120, 1516098, 2021464, 2526830, 2958240, 3032196, 3790245, 4042928, 5053660, 6064392, 7580490, 8085856, 10107320, 12128784, 15160980, 20214640, 24257568, 30321960, 40429280, 60643920, 121287840]

約数ペア:
[(1, 121287840), (2, 60643920), (3, 40429280), (4, 30321960), (5, 24257568), (6, 20214640), (8, 15160980), (10, 12128784), (12, 10107320), (15, 8085856), (16, 7580490), (20, 6064392), (24, 5053660), (30, 4042928), (32, 3790245), (40, 3032196), (41, 2958240), (48, 2526830), (60, 2021464), (80, 1516098), (82, 1479120), (96, 1263415), (120, 1010732), (123, 986080), (160, 758049), (164, 739560), (205, 591648), (240, 505366), (246, 493040), (328, 369780), (410, 295824), (480, 252683), (492, 246520), (615, 197216), (656, 184890), (820, 147912), (984, 123260), (1230, 98608), (1312, 92445), (1640, 73956), (1968, 61630), (2460, 49304), (3280, 36978), (3936, 30815), (4920, 24652), (6163, 19680), (6560, 18489), (9840, 12326)]

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